<template>
  <div class="mui-content">
    <!--   <a :class='["mui-control-item","aa",flag?"active":""]' >123</a> -->
    <!--这里放置真实显示的DOM内容-->
    <div id="slider" class="mui-slider">
      <div
        id="sliderSegmentedControl"
        class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted"
      >
        <div class="mui-scroll">
          <a
            :class="['mui-control-item' , item.id===0?'mui-active':'']"
            href="#item1mobile"
            data-wid="tab-top-subpage-1.html"
            v-for="item in cates"
            :key="item.id"
            @click="aa(item.id)"
          >{{item.title}}</a>
        </div>
      </div>
    </div>

    <!-- 图片列表 -->
    <ul class="photo-list">
      <router-link v-for="item in list" :key="item.id" :to="'/home/photoinfo/'+item.id" tag="li">
        <img v-lazy="item.img_url">
        <!-- 图片介绍 -->
        <div class="info">
          <h1 class="info-title">{{item.title}}</h1>
          <div class="info-body">{{item.zhaiyao}}</div>
        </div>
      </router-link>
    </ul>
  </div>
</template>
<script>
import mui from "@/lib/mui/js/mui.min.js";
import { getALlCategory, getPhotoListByCateId } from "@/api";
export default {
  data() {
    return {
      cates: [],
      list: []
    };
  },
  methods: {
    aa(id) {
      getPhotoListByCateId(id).then(res => {
        console.log(res, 7);
        if (res.data.status == 0) {
          this.list = res.data.message;
        }
      });
    }
  },
  created() {
    getALlCategory().then(res => {
      console.log(res, 7788);
      if (res.data.status == 0) {
        res.data.message.unshift({ title: "全部", id: 0 });
        this.cates = res.data.message;
      }
    });
    this.aa(0);
  },
  mounted() {
    /* 当组件中的dom结构渲染好并放到页面中的时候 */
    mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    });
  }
};
</script>

<style lang="less" scoped>
.photo-list {
  list-style: none;
  margin: 0;
  padding: 10px;
  li {
    background-color: #ccc;
    text-align: center;
    margin-bottom: 10px;
    box-shadow: 0 0 9px #999;
    position: relative;

    /* 这是显示的图片 */
    img {
      width: 100%;
      vertical-align: middle;
    }
    /* 这是懒加载图片 */
    img[lazy="loading"] {
      width: 40px;
      height: 300px;
      margin: auto;
    }
  }

  /* 图片介绍 */
  .info {
    color: #fff;
    background: rgba(0, 0, 0, 0.5);
    position: absolute;
    bottom: 0;
    text-align: left;
    max-height: 84px;

    width: 100%;
    padding: 0 3px;

    .info-title {
      font-size: 14px;
      text-overflow: ellipsis;
      white-space: nowrap;
      overflow: hidden;
    }
    .info-body {
      font-size: 13px;
      text-overflow: ellipsis;
      white-space: nowrap;
      overflow: hidden;
    }
  }
}
</style>
